Expert 1/2in Impact Socket Set, 16 Piece Category_Bolts & Washers/Through Bolts They are also water resistant

They are also water resistant

these high-quality screws feature a bugle-shaped head to prevent tearing and damage to the material

Suitable for copper

this will make it expand to seal pipe or tube end with a water tight seal

Salt spray tested to 1

Expert 1/2in Impact Socket Set, 16 Piece Category_Bolts & Washers/Through Bolts They are also water resistantThe Britool E041603B Impact Socket Set contains 16 1 2in Drive Hex sockets, which are supplied in a sturdy storage case with metal clasps. The sockets feature snap rings and safety pins. The set contains the following sizes: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24, 27, 30 and 32mm.